BRPI1102459A2 - sensor de proximidades - Google Patents

sensor de proximidades Download PDF

Info

Publication number
BRPI1102459A2
BRPI1102459A2 BRPI1102459-3A BRPI1102459A BRPI1102459A2 BR PI1102459 A2 BRPI1102459 A2 BR PI1102459A2 BR PI1102459 A BRPI1102459 A BR PI1102459A BR PI1102459 A2 BRPI1102459 A2 BR PI1102459A2
Authority
BR
Brazil
Prior art keywords
signal
circuit
proximity
integrity
sensor
Prior art date
Application number
BRPI1102459-3A
Other languages
English (en)
Portuguese (pt)
Inventor
John Kenneth Tillotson
Original Assignee
Honeywell Int Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Int Inc filed Critical Honeywell Int Inc
Publication of BRPI1102459A2 publication Critical patent/BRPI1102459A2/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/44—Modifications of instruments for temperature compensation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9502—Measures for increasing reliability
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9525—Proximity switches using a magnetic detector using inductive coils controlled by an oscillatory signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/953—Proximity switches using a magnetic detector using inductive coils forming part of an oscillator
    • H03K17/9535—Proximity switches using a magnetic detector using inductive coils forming part of an oscillator with variable amplitude
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
BRPI1102459-3A 2010-05-24 2011-05-24 sensor de proximidades BRPI1102459A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/786,046 US8319500B2 (en) 2010-05-24 2010-05-24 Proximity sensor with health monitoring

Publications (1)

Publication Number Publication Date
BRPI1102459A2 true BRPI1102459A2 (pt) 2012-11-06

Family

ID=44117748

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1102459-3A BRPI1102459A2 (pt) 2010-05-24 2011-05-24 sensor de proximidades

Country Status (4)

Country Link
US (2) US8319500B2 (de)
EP (1) EP2391009B1 (de)
BR (1) BRPI1102459A2 (de)
CA (1) CA2740277C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012004308B4 (de) * 2012-03-01 2018-09-20 Atlas Elektronik Gmbh Annäherungssensor und Verfahren zum Bestimmen der Annäherung an einen elektrisch leitfähigen Körper
US10317248B2 (en) 2016-10-25 2019-06-11 Honeywell International Inc. Multiple-distance proximity sensor systems
WO2019022719A1 (en) 2017-07-25 2019-01-31 Hewlett-Packard Development Company, L.P. ANTENNA RADIO FREQUENCY (RF) OUTPUT POWER CONTROL
CN111527371B (zh) * 2017-12-28 2022-07-08 日本电产理德股份有限公司 检查装置及检查方法
EP3963290B1 (de) * 2019-04-28 2025-06-25 Harco, LLC Verfahren zur temperaturkompensation für hall-effekt-näherungssensoren
US11054284B2 (en) * 2019-08-06 2021-07-06 The Boeing Company Method of ratiometric proximity sensing
US11650081B2 (en) 2021-03-10 2023-05-16 Honeywell International Inc. Linear position sensing components
JP2025037631A (ja) * 2023-09-06 2025-03-18 国立研究開発法人産業技術総合研究所 磁気センサ及び磁気計測装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870948A (en) * 1972-09-05 1975-03-11 Acme Cleveland Corp Proximity circuit with active device feedback
FR2281578A1 (fr) * 1974-08-07 1976-03-05 Texas Instruments France Detecteur de proximite
US4080828A (en) 1976-04-21 1978-03-28 Nippon Soken, Inc. Liquid level detecting apparatus
US4156180A (en) 1977-06-24 1979-05-22 Bactomatic, Inc. Apparatus and method for detecting metabolic activity
US4543527A (en) 1982-04-12 1985-09-24 Eaton Corporation Proximity switch exhibiting improved start-up characteristics
US4678992A (en) 1983-07-12 1987-07-07 Hi-Tech Systems, Corp. Electronic metal detector
JPS6135620A (ja) 1984-07-27 1986-02-20 Omron Tateisi Electronics Co 近接スイツチ
US4797614A (en) 1984-11-02 1989-01-10 Sierracin Corporation Apparatus and method for measuring conductance including a temperature controlled resonant tank circuit with shielding
FR2598217B1 (fr) 1986-04-30 1988-09-09 Petercem Sa Detecteur de proximite autocontrole
DE59010206D1 (de) * 1989-05-19 1996-04-25 Festo Kg Temperaturstabiler induktiver Näherungsschalter
AT412636B (de) 2000-02-23 2005-05-25 Vae Eisenbahnsysteme Gmbh Einrichtung zur überwachung und prognose der ausfallwahrscheinlichkeit von induktiven näherungssensoren
GB2365130B (en) * 2000-07-20 2005-01-19 Honeywell Control Syst Improved proximity sensor and related methods
DE102005001692B4 (de) * 2005-01-13 2007-04-05 Pepperl + Fuchs Gmbh Näherungsschalter und Verfahren zum Betrieb eines Näherungsschalters
EP1885065B1 (de) 2006-07-27 2011-10-12 Pepperl + Fuchs GmbH Induktiver Näherungsschalter und Verfahren zu dessen Betrieb
JP5357461B2 (ja) 2008-08-11 2013-12-04 パナソニック株式会社 近接センサ

Also Published As

Publication number Publication date
EP2391009A2 (de) 2011-11-30
CA2740277A1 (en) 2011-11-24
US9110118B2 (en) 2015-08-18
CA2740277C (en) 2018-09-18
US20110285404A1 (en) 2011-11-24
US20130320996A1 (en) 2013-12-05
US8319500B2 (en) 2012-11-27
EP2391009A3 (de) 2014-09-03
EP2391009B1 (de) 2017-04-19

Similar Documents

Publication Publication Date Title
BRPI1102459A2 (pt) sensor de proximidades
CN106597075B (zh) 一种交流电压检测装置及方法
BRPI0619515A2 (pt) circuito de processamento de sinal de transdutor piezoelétrico
TW201123665A (en) Over voltage and over temperature detection circuit
US20130328405A1 (en) Ground test circuit
US9110103B2 (en) Temperature compensated proximity sensor
JP3598976B2 (ja) 電源ノイズセンサ
TW201826709A (zh) 重置電路及電子設備
US7605569B2 (en) Acquisition circuit and controller circuit for an alternator
US3046418A (en) Electrical impedance monitoring apparatus
TWI445306B (zh) Power supply voltage monitoring circuit
TW200415365A (en) IDDQ test technique
WO2017079143A1 (en) Isolation and validation techniques for voltage detector
US7795762B2 (en) On-chip high frequency power supply noise sensor
US7013882B2 (en) Over-dwell protection circuit for an automotive ignition control system
JP6931524B2 (ja) 断線検出装置
KR102208629B1 (ko) 마이컴 리셋 회로
CN107656131B (zh) 一种过压检测电路及方法
JPH11271256A (ja) 接触燃焼式ガスセンサの断線・短絡検出回路
US12152947B2 (en) Temperature detection device
JP3194696B2 (ja) 温度表示機能付き液体容器
GB2195846A (en) Detecting disconnection of electrical apparatus
EP2239591B1 (de) Verwendung eines Strommonitors in einer Steuervorrichtung zur Steuerung einer Schaltstufe eines Hüllkurvenverfolgungs-Modulators
JP2001356139A (ja) 電流検出回路
CN119147807A (zh) 振荡保护电路、电子负载、电源测试系统及设备

Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements